18.7 Quick review questions

1. Why is the phrase ‘the standard error of the population proportion’ inappropriate?
   Because only sample statistics vary from sample to sample Because proportions do not have a standard error Because proportions only have a standard deviation Because proportions come from qualitative data
2. Which one the following does not have a standard error?
   The sample mean The difference between two sample means The sample proportion The sample odds ratio The sample size
3. Which one of the following is true?
   Statistics do not vary Populations are numerically summarised using parameters Sampling distributions describe parameters Sampling variation refers to how sample sizes vary
4. True or false: The standard deviation is a standard error of something quite specific.
   TRUE FALSE
5. True or false: Sampling distributions are always normal distributions.
   TRUE FALSE

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Peter K. Dunn, 2021: CC BY-NC-SA 4.0